Chapter 4
VME-MXI-2 Configuration and Installation
©
National Instruments Corporation
4-9
Switch S2 is used to select the size of each SIMM. If the SIMMs are
4 M
×
32 or larger, S2 should be in the OFF setting as shown in
Figure 4-6a. For SIMMs smaller than 4 M
×
32, use the ON setting as
shown in Figure 4-6b.
Figure 4-6.
SIMM Size Configuration
Refer to Table 4-1 for how to adjust the switch (ON or OFF) for all
supported DRAM configurations. Many of the DRAM options are
available from National Instruments.
Table 4-1.
VME-MXI-2 DRAM Configurations
Bank 0
Bank 1
Total DRAM
National
Instruments
Option?
Switch Setting
of S6
—
—
0
—
—
256 K
×
32 or
256 K
×
36
—
1 MB
—
ON
256 K
×
32 or
256 K
×
36
256 K
×
32 or
256 K
×
36
2 MB
—
ON
512 K
×
32 or
512 K
×
36
—
2 MB
—
ON
512 K
×
32 or
512 K
×
36
512 K
×
32 or
512 K
×
36
4 MB
—
ON
1 M
×
32 or
1 M
×
36
—
4 MB
YES
ON
1 M
×
32 or
1 M
×
36
1 M
×
32 or
1 M
×
36
8 MB
—
ON
2 M
×
32 or
2 M
×
36
—
8 MB
YES
ON
2 M
×
32 or
2 M
×
36
2 M
×
32 or
2 M
×
36
16 MB
—
ON
a. 4 M x 32 and Larger
b. Smaller than 4 M x 32
S2
S2